are being proposed and adopted in many areas, from local jurisdictions up to states (so far). This page cites some of the issues and provides links to information with the ALI website that may be relevant to lighting legislation and ordinances.

work differently under outdoor lighting levels and conditions, particularly driving at night. This page provides brief information about the most important effects of aging on vision, and includes links to more information within the ALI website.

by Jefferey F. Knox & David M. Keith, discusses the revision of lighting calculations to evaluate color difference instead of luminous contrast, and reports on the results of applying these methods to roadway signage using fifteen different light soures described by induvidual spectral power distributions.